Pika releases an open video-and-audio model built on MiniMax's H3

Pika posted the of Pika H3 Flex on on Thursday, a 33-billion-parameter post-trained version of MiniMax's open H3 video model that makes 5- to 15-second clips at up to 768p with stereo audio, from up to 12 reference files, on a single H100. Higher resolutions stay behind Pika's paid . The adapters fall under the MiniMax H3 Community License. An American video startup shipping weights built on a Chinese base model is the open-weight supply chain crossing the Pacific in the opposite direction from the usual story. SourcesA

Sources

APika-Labs/Pika-H3-Flex (Hugging Face)huggingface.co

This story ran in the Morning Brief of October 30th 2026.

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